28156572

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:149

約数の個数: 90

約数和(自身を含む): 76961808

約数和(自身を除く): 48805236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 47, 54, 81, 86, 94, 108, 129, 141, 162, 172, 188, 258, 282, 324, 387, 423, 516, 564, 774, 846, 1161, 1269, 1548, 1692, 1849, 2021, 2322, 2538, 3483, 3698, 3807, 4042, 4644, 5076, 5547, 6063, 6966, 7396, 7614, 8084, 11094, 12126, 13932, 15228, 16641, 18189, 22188, 24252, 33282, 36378, 49923, 54567, 66564, 72756, 86903, 99846, 109134, 149769, 163701, 173806, 199692, 218268, 260709, 299538, 327402, 347612, 521418, 599076, 654804, 782127, 1042836, 1564254, 2346381, 3128508, 4692762, 7039143, 9385524, 14078286, 28156572]

約数ペア:

[(1, 28156572), (2, 14078286), (3, 9385524), (4, 7039143), (6, 4692762), (9, 3128508), (12, 2346381), (18, 1564254), (27, 1042836), (36, 782127), (43, 654804), (47, 599076), (54, 521418), (81, 347612), (86, 327402), (94, 299538), (108, 260709), (129, 218268), (141, 199692), (162, 173806), (172, 163701), (188, 149769), (258, 109134), (282, 99846), (324, 86903), (387, 72756), (423, 66564), (516, 54567), (564, 49923), (774, 36378), (846, 33282), (1161, 24252), (1269, 22188), (1548, 18189), (1692, 16641), (1849, 15228), (2021, 13932), (2322, 12126), (2538, 11094), (3483, 8084), (3698, 7614), (3807, 7396), (4042, 6966), (4644, 6063), (5076, 5547)]